Yu Hasebe (長谷部 優, Hasebe Yū, born 17 January 1986) is a Japanese actress, singer and model. She was one of the original three members of the J-Pop group "Dream" (renamed DRM in 2007). She debuted as a gravure idol in 2004. She has also starred in a number of Japanese movies and TV dramas. She was formerly a member of a unit called Kingyo with Nao Nagasawa and Aiko Kayō.